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Update SurfaceExample to use ThreeDScene

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This commit is contained in:
Grant Sanderson
2023-01-28 12:04:15 -08:00
parent 5deef1c249
commit dec5089777
1 changed files with 4 additions and 13 deletions
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17
example_scenes.py
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@@ -554,9 +554,7 @@ class TexAndNumbersExample(Scene):
)
class SurfaceExample(Scene):
samples = 4
class SurfaceExample(ThreeDScene):
def construct(self):
surface_text = Text("For 3d scenes, try using surfaces")
surface_text.fix_in_frame()
@@ -588,13 +586,6 @@ class SurfaceExample(Scene):
mob.mesh = SurfaceMesh(mob)
mob.mesh.set_stroke(BLUE, 1, opacity=0.5)
# Set perspective
frame = self.camera.frame
frame.set_euler_angles(
theta=-30 * DEGREES,
phi=70 * DEGREES,
)
surface = surfaces[0]
self.play(
@@ -616,12 +607,12 @@ class SurfaceExample(Scene):
self.play(
Transform(surface, surfaces[2]),
# Move camera frame during the transition
frame.animate.increment_phi(-10 * DEGREES),
frame.animate.increment_theta(-20 * DEGREES),
self.frame.animate.increment_phi(-10 * DEGREES),
self.frame.animate.increment_theta(-20 * DEGREES),
run_time=3
)
# Add ambient rotation
frame.add_updater(lambda m, dt: m.increment_theta(-0.1 * dt))
self.frame.add_updater(lambda m, dt: m.increment_theta(-0.1 * dt))
# Play around with where the light is
light_text = Text("You can move around the light source")